Anyang LiDa Railway Equipment Co., Ltd. is famous of producing kinds of railway equipments. We are also specialized in manufacturing railway fasteners and we are one of the eight famous company in China and are able to bid for large and medium-sized projects from Ministry of Railways. Our objectives are dedicated to continuous innovation to produce railway accessories and meet your requirement well. We can supply you according to your drawings or samples, if any items you are interested in, pls contact us without hesitation. Product name Material Model Finish Specification Fe spring washer/ Flat washer/lock washer/spring washer Springsteel,60Si2Mn,55Si2Mn Carbon steel, stainless steel, brass(70#,Ss304,Ss316,Q235,45#,50# 65Mn),phosphorus beryllium copper Fe6: M3-M64No.6-1-1/4” PL,ZP,HDG,Cr+3,Cr+6, plain black Oxide; PL,ZP,HDG,Cr+3,Cr+6, plain black Oxide, Zinc plated(blue, white, and yellow),hot dipped Type:Ss5,Ss8.Ss25,Ss36 Raw material:Q235 Standard:DIN,ISO,AS,NF,JIS,BS,GBSFS, UIC Certificate: TB/T19001-2000; ISO9001-2000 QC:SGS